lkml.org 
[lkml]   [2020]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v5 10/10] iommu/mediatek: Add mt6779 basic support
From
Date


On 29/06/2020 09:13, Chao Hao wrote:
> 1. Start from mt6779, INVLDT_SEL move to offset=0x2c, so we add
> REG_MMU_INV_SEL_GEN2 definition and mt6779 uses it.
> 2. Add mt6779_data to support mm_iommu HW init.
>
> Cc: Yong Wu <yong.wu@mediatek.com>
> Cc: Matthias Brugger <matthias.bgg@gmail.com>
> Signed-off-by: Chao Hao <chao.hao@mediatek.com>

Reviewed by: Matthias Brugger <matthias.bgg@gmail.com>

> ---
> drivers/iommu/mtk_iommu.c | 11 +++++++++++
> drivers/iommu/mtk_iommu.h | 1 +
> 2 files changed, 12 insertions(+)
>
> diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
> index e46e2deee3fd..1575196d9cd5 100644
> --- a/drivers/iommu/mtk_iommu.c
> +++ b/drivers/iommu/mtk_iommu.c
> @@ -37,6 +37,7 @@
> #define REG_MMU_INVLD_START_A 0x024
> #define REG_MMU_INVLD_END_A 0x028
>
> +#define REG_MMU_INV_SEL_GEN2 0x02c
> #define REG_MMU_INV_SEL_GEN1 0x038
> #define F_INVLD_EN0 BIT(0)
> #define F_INVLD_EN1 BIT(1)
> @@ -798,6 +799,15 @@ static const struct mtk_iommu_plat_data mt2712_data = {
> .larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}},
> };
>
> +static const struct mtk_iommu_plat_data mt6779_data = {
> + .m4u_plat = M4U_MT6779,
> + .flags = HAS_SUB_COMM |
> + OUT_ORDER_EN |
> + WR_THROT_EN,
> + .inv_sel_reg = REG_MMU_INV_SEL_GEN2,
> + .larbid_remap = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}},
> +};
> +
> static const struct mtk_iommu_plat_data mt8173_data = {
> .m4u_plat = M4U_MT8173,
> .flags = HAS_4GB_MODE |
> @@ -816,6 +826,7 @@ static const struct mtk_iommu_plat_data mt8183_data = {
>
> static const struct of_device_id mtk_iommu_of_ids[] = {
> { .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},
> + { .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},
> { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},
> { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},
> {}
> diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
> index ce4f4e8f03aa..a080db2e8a93 100644
> --- a/drivers/iommu/mtk_iommu.h
> +++ b/drivers/iommu/mtk_iommu.h
> @@ -43,6 +43,7 @@ struct mtk_iommu_suspend_reg {
> enum mtk_iommu_plat {
> M4U_MT2701,
> M4U_MT2712,
> + M4U_MT6779,
> M4U_MT8173,
> M4U_MT8183,
> };
>

\
 
 \ /
  Last update: 2020-06-29 22:45    [W:0.056 / U:1.500 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site